Spin noise in quantum dot ensembles
M. M. Glazov, E. L. Ivchenko
TL;DR
This paper provides a theoretical analysis of spin noise in quantum dot ensembles, focusing on how external and internal magnetic fields influence spin fluctuations of resident electrons or holes, with implications for optical spin noise measurements.
Contribution
It introduces a theoretical framework for understanding spin noise signals in quantum dots, including effects of magnetic and hyperfine interactions on spin fluctuations.
Findings
Calculated spin noise signals for continuous wave probing at the singlet trion resonance.
Analyzed the influence of external magnetic fields on spin fluctuation spectra.
Explored the effects of hyperfine interactions between electron and nuclear spins.
Abstract
We study theoretically spin fluctuations of resident electrons or holes in singly charged quantum dots. The effects of external magnetic field and effective fields caused by the interaction of electron and nuclei spins are analyzed. The fluctuations of spin Faraday, Kerr and ellipticity signals revealing the spin noise of resident charge carriers are calculated for the continuous wave probing at the singlet trion resonance.
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